/*
   Copyright 2008, Andres Postiglioni

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
package com.aconcagua.mvc.factory {
  import com.aconcagua.beans.BeanDefinitionFactory;
  import com.aconcagua.beans.BeanDefinitionSupport;
  import com.aconcagua.factory.BeanFactory;

  import mx.core.IMXMLObject;

  /**
   * @author Andres Postiglioni
   */
  [DefaultProperty("metadata")]
  public class Command implements BeanDefinitionFactory, IMXMLObject {
    private var _id: String;
    private var _bean: BeanDefinitionSupport;
    private var _metadata: Array;
    public var type: Class;

    public function Command() {
      _metadata = new Array();
    }

    public function get id(): String {
      return _id;
    }

    public function set metadata(beanMetadata: Array): void {
      _metadata = beanMetadata;
    }

    public function initialized(document:Object, id:String):void {
      _id = id;
    }

    public function registerIn(beanFactory:BeanFactory): void {
      //TODO: Test case
      if (_id == null) {
        throw new CommandDefinitionException();
      }

      _bean = new BeanDefinitionSupport(type, _id);
      _bean.scope = BeanDefinitionSupport.SCOPE_PROTOTYPE;
      _bean.metadata = _metadata;

      beanFactory.registerBeanDefinition(_bean);
    }

    public function isRegisteredIn(beanFactory: BeanFactory): Boolean {
      return _bean != null && beanFactory.containsBean(_bean.name);
    }

    public function retrieveFrom(beanFactory: BeanFactory): Object {
      return beanFactory.getBean(_bean.name);
    }
  }
}